A302 Grade B STEEL PLATE

A302 Grade B,A302GrB steel plate,A302GrB steel sheet which is Manganese-molybdenum alloy boiler steel plate and pressure vessel plates.,comparing with boiler steel plate A302 Grade A,A302 Grade B boiler steel plate contains more chemical element in manganese,and also owned a higher values in yield strength (minimum 345Mpa)and tensile strength (550-690Mpa).Xinsteel's rolling range for A302 Grade B steel plate is thickness within 6.0-350mm,width within 1500-4200mm and length within 3000-18000mm.For special sizes customers needed,Xinsteel also offer cutting and welding services in processing plants.

 Technical Requirements & Additional Services for A302GRB steel plate:
♦  High tension test
♦  Low temperature impacting test
♦  Normalised for thick plates over 40mm
♦  Simulated post-welded heat treatment (PWHT)
♦  Rolling under standard NACE MR-0175 (HIC+SSCC)
♦  Issued Orginal Mill test certificate under EN 10204 FORMAT 3.1/3.2
♦  Shot blasting and Painting,Cutting and welding as per end user’s demands

►Mechnical property for A302GrB steel plate:

Yield strength (≥Mpa)	Tensile strength (Mpa)	Elongation in ≥,%
345	550-690	200mm	50mm
		15	18

►Chemical composition for A302 Grade B steel plate (Product Analysis Max%)

Main chemical elements composition of A302Grade B steel plate
Thickness(mm)	C	Si	Mn	P	S	Mo
T≤25	0.20	0.13-0.45	1.07-1.62	0.035	0.035	0.41-0.64
25<T≤50	0.23
50<T	0.25